Grilled Spiced Graperfruit

2 grapefruit
2 tablespoons dry sherry
1/4 teaspoon cinnamon
50 g/2 oz demerara sugar
25 g/l oz preserved stem ginger , chopped


Cut the grapefruit in half , making 5-mm /1/4 in zigzag cuts using a charp pointed knife .Make sure the cuts reach the centre of the grapefruit .Pull the grapefruit apart carefully .Using a serrated grapefruit knife cut between the membrane of each segment .Cut round the grapefruit to release the segments from the pith , sprinkle each half with a little of the sherry , cinnamon , sugar and chopped ginger.
Preheat a moderate grill and place the grapefruit cut side uppermost in the grill pan.Cook until the sugar is melted and bubbling but not burning .Serve at once in glass dishes.